the country's civil war is focusing right new on damascus international airport on the outskirts of the capital there. rebels say they have surrounded it on one side. they are trying to keep the government's war jets grounded and stop its flow of weapons. syrian state-run tv insists the airport is functioning normally. >>> mexico will swear in a new president in just a few hours when enrique pena nieto takes the oath. he named his new cabinet yesterday, you see him here. he also took control of the armed forces in a traditional midnight ceremony. >> teaching children with autism isn't always easy, but help may be on the way from an unexpected place. an ipad app and a green robot. joe carter has more in today's "start small, think big." >> reporter: children with autism are getting help from a friendly creature. >> it's a robotic system designed to help people with autism learn and practice skills in a fun way. >> can you help me? >> reporter: like making their bed or brushing their teeth. students at children's institute of pittsburgh are testing the system. they can play with popchilla